All Countries
Weather & Climate in Boston, KY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Boston enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 299 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 52.6 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 463 feet.
Temperature
35°F Jan (2°C)
77°F Jul (25°C)
| Annual Average | 57.2°F |
| 6% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 463 ft (141 m) |
| Area | 2.0 sq mi (5.1 km²) |
| Population Density | 79/sq mi |
| Coordinates | 37.7812°N, 85.6872°W |
| Timezone | America/New_York |
| County | Nelson County County |
| Nearest Airport | Louisville Muhammad Ali International (SDF) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.2 / 100 |
| Social Vulnerability | 29.1 / 100 |
| Community Resilience | 82.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jan 24, 1990 | 6 km WNW of Alton, Indiana | M3.9 | 81 km | 10 km |
| Jan 27, 1990 | 6 km N of Alton, Indiana | M3.8 | 79 km | 5 km |
| May 30, 2023 | 6 km W of Calhoun, Kentucky | M3.0 | 147 km | 0 km |
| Nov 28, 1998 | 6 km SW of Bremen, Kentucky | M2.9 | 148 km | 0 km |
| Aug 20, 2015 | 6 km SE of Lawrenceburg, Kentucky | M2.8 | 78 km | 34 km |
| May 11, 2025 | 11 km SE of High Bridge, Kentucky | M2.8 | 95 km | 30 km |
| Mar 21, 1990 | 1 km W of Spring Mill, Kentucky | M2.7 | 40 km | 4 km |
| Mar 9, 1990 | 8 km ENE of New Amsterdam, Indiana | M2.7 | 60 km | 5 km |
| Jan 12, 2023 | 4 km E of Burgin, Kentucky | M2.6 | 85 km | 35 km |
| Aug 4, 2023 | 11 km ENE of Lancaster, Kentucky | M2.6 | 108 km | 17 km |
| Feb 27, 2020 | 5 km SW of Bremen, Kentucky | M2.6 | 148 km | 27 km |
| Jan 29, 1990 | 11 km S of Paoli, Indiana | M2.6 | 101 km | 0 km |
| Mar 22, 1990 | 9 km E of Rochester, Kentucky | M2.6 | 117 km | 5 km |
| Jan 8, 1995 | Kentucky | M2.6 | 147 km | 30 km |
| Aug 26, 2000 | 6 km N of Boonville, Indiana | M2.6 | 144 km | 5 km |
| Jan 21, 2018 | 8 km SSE of High Bridge, Kentucky | M2.6 | 90 km | 11 km |
| May 30, 2023 | 7 km W of Calhoun, Kentucky | M2.5 | 149 km | 1 km |
| Mar 8, 1990 | 4 km SW of Oak Grove, Kentucky | M2.5 | 110 km | 5 km |
| Apr 18, 2012 | 13 km W of Owensboro, Kentucky | M2.5 | 139 km | 15 km |
| Jan 4, 1999 | 9 km WNW of Mount Sterling, Kentucky | M2.5 | 148 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
453 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 96 fatalities, 1,708 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 74 km | 32.0 mi | 31 |
| Apr 3, 1974 | EF5 | 99 km | 68.0 mi | 6 |
| Mar 2, 2012 | EF4 | 85 km | 45.1 mi | 11 |
| May 28, 1996 | EF4 | 41 km | 30.0 mi | 0 |
| Apr 3, 1974 | EF4 | 47 km | 18.5 mi | 3 |
| Apr 3, 1974 | EF4 | 62 km | 79.4 mi | 4 |
| Apr 3, 1974 | EF4 | 20 km | 37.9 mi | 3 |
| Apr 3, 1974 | EF4 | 86 km | 35.6 mi | 11 |
| Apr 3, 1974 | EF4 | 65 km | 20.2 mi | 0 |
| Apr 3, 1974 | EF4 | 88 km | 14.0 mi | 0 |
| Apr 27, 1971 | EF4 | 73 km | 14.1 mi | 6 |
| Apr 27, 1971 | EF4 | 95 km | 13.0 mi | 2 |
| Dec 11, 2021 | EF3 | 47 km | 14.5 mi | 1 |
| Feb 28, 2011 | EF3 | 78 km | 2.3 mi | 0 |
| Oct 18, 2007 | EF3 | 78 km | 4.8 mi | 0 |
| May 30, 2004 | EF3 | 99 km | 15.0 mi | 1 |
| May 23, 2000 | EF3 | 61 km | 6.0 mi | 0 |
| Apr 16, 1998 | EF3 | 77 km | 20.0 mi | 0 |
| Mar 28, 1997 | EF3 | 50 km | 9.0 mi | 1 |
| Mar 28, 1997 | EF3 | 40 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: FLOATING MILL HOLLOW (2,422 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | FLOATING MILL HOLLOW | 2,422 | 73 km |
| 2008 | BROOKS KNOB | 2,225 | 80 km |
| 2012 | FY2012 CRYSTAL CAVE BROADCAST BURN | 2,221 | 71 km |
| 2010 | JOPPA CHURCH | 2,037 | 78 km |
| 2004 | JIM LEE | 1,770 | 78 km |
| 2009 | TEMPLE HILL | 1,628 | 78 km |
| 2009 | JIM LEE | 1,613 | 78 km |
| 2007 | Big Woods | 1,500 | 68 km |
| 2008 | GOBLIN KNOB | 1,445 | 70 km |
| 2017 | UNNAMED | 1,336 | 83 km |
| 2019 | UNNAMED | 1,057 | 81 km |
| 2021 | UNNAMED | 959 | 81 km |
| 2014 | UNNAMED | 910 | 80 km |
| 2019 | UNNAMED | 892 | 80 km |
| 2024 | LONG RUN RX | 774 | 85 km |
| 2007 | DENNISON FERRY RX | 655 | 70 km |
| 2000 | UNNAMED | 641 | 75 km |
| 2019 | UNNAMED | 584 | 85 km |
| 2010 | ROCKHOUSE HOLLOW RX | 581 | 84 km |
| 2005 | UNNAMED | 576 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 3.4 in | Coldest |
| February | 37°F (3°C) | 3.9 in | |
| March | 47°F (8°C) | 4.7 in | |
| April | 56°F (13°C) | 4.5 in | |
| May | 64°F (18°C) | 4.8 in | |
| June | 72°F (22°C) | 3.9 in | |
| July | 77°F (25°C) | 4.9 in | Warmest, Wettest |
| August | 75°F (24°C) | 3.7 in | |
| September | 69°F (20°C) | 3.7 in | |
| October | 57°F (14°C) | 2.9 in | Driest |
| November | 47°F (8°C) | 4.1 in | |
| December | 38°F (3°C) | 4.5 in |
Boston has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in July. Total annual precipitation is 48.9 inches, with July being the wettest month (4.9") and October the driest (2.9").